Dog Toys Made For Aggressive Chewers – If your dog tends to chew on wooden furniture or gnaw on hard materials then this is the toy to keep them occupied and satisfy dog's natural desire to chomp.Tested by Pitbulls, German Shepherds, Mastiffs, Rottweilers, Husky, Great Dane, Malinois, Labrador, Golden retrievers and many other power chewers. It helps your dog to release excessive energy, reduce boredom, anxiety and destructive behavior, also reduce discomfort during puppy teething period. | Improves Dental Hygiene - Chewing can help to clean teeth(dental calculus), controls plaque and tartar. Promote oral health and soothes discomforts during teething. Excessive chewing without supervision on any chew toys can cut and cause dog’s gum to bleed and may crack teeth. When using nylon toy the first time, start with a short chewing session such as 5 minutes. Inspect the toy to trim off excess chewed up surface when necessary. This is a dog toy, not edible. | Made with Safe Non-Toxic Hard Nylon Material - Safety is our #1 priority when it comes to our fur babies. All of our dog toys are tested at a certified lab to ensure the material and the structure of the toy is safe and free of harmful materials. As with all nylon toys, DOGS WILL BE ABLE TO CHIP OFF SMALL PIECES AND MAKE TEETH MARKS TO THIS CHEW TOY, they may swallow chipped-off pieces and should pass safely. Proper supervision is recommended. | Size Chart(4th Image) – Our Nylon Bone series is designed to resemble in shapes that attracts dog’s natural interest and provide satisfying chewing experience. It comes in 3 different sizes and designs for small, medium and large breed dogs and puppies. Suitable for puppy, young and mature dogs. We recommend pick a size larger than the width of your dog's mouth, proper supervision is advised. Refer to the Size Chart Image & Choose the size/chew strength that is suitable for your dog. | Satisfaction Guaranteed: Free Returns & Full Refund. Dog toys will not be 100% indestructible and each dog has its own playing style. If for ANY reason you are not complete satisfied with your purchase or If your dog shows no interest for this toy, simply request to return under your Amazon account within 30 days of purchase for a full refund. Feel free to try out the toy and follow the “When to Replace” instruction accordingly. Contact us anytime if you need further assistance.